209E. Recovery of tax payable

Notwithstanding [anything contained in this Act any, amount payable under the provisions of this Act, rules or bye-laws, is not paid on the due date, shall be recovered together with penal interest at the rate of two per cent per month from the due date: 

Provided that no penalty shall be recovered on any amount that has become payable or payable in a half year, if it is paid in the same half year.]